Yokogawa DO402 Dissolved Oxygen Analyzer - Manual (Page 9)

IM 12J05D02-01E
Introduction 1-1
1. INTRODUCTION AND GENERAL DESCRIPTION
The Yokogawa EXA is a 4-wire coverter designed for industrial process monitoring, measurement and
control applications. This instruction manual contains the information needed to install, set up, operate
and maintain the unit correctly. This manual also includes a basic troubleshooting guide to answer typi-
cal user questions.
Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.
1-1. Instrument Check
Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during
shipment. If damage is found, retain the original packing materials (including the outer box) and then
immediately notify the carrier and the relevant Yokogawa sales office.
Make sure the model number on the textplate affixed to the top of the display board of the instrument
agrees with your order.
The textplate will also contain the serial number and power supply selection.
Be sure to apply correct power to the unit.
Figure 1-1. Nameplate example
Check that all the parts are present, including mounting bracket, as specified in the option codes at the
end of the model number. For a description of the model codes, refer to Chapter 2 of this manual under
General Specifications.
Basic Parts List: Converter EXA 402
User’s Manual (See model code for language)
Optional mounting bracket when specified (See model code)
WARNING
Made in Japan
MODEL
SUFFIX
SUPPLY
OUTPUT
No. STYLE
DO402G 115VAC 50/60Hz MAX.10VA
0-20mADC or 4-20mADC